Northern pollution regiment once again dirty Wuhan air, is expected to moderate pollution-rosstallanma

North Wuhan air pollution group is expected to be dirty again in the heavily polluted the newspaper news (reporter Zhang Sheng) the Daily reporter yesterday from the Municipal Environmental Protection Bureau, affected South North sources, the city will usher in a moderate to severe pollution, pollution is expected to process will continue to two days. Reporters in the City Environmental Protection Bureau website query related monitoring data found that the city’s hourly air quality index (AQI) from 13 to 18 breakthrough 100 after reaching a slight pollution, has continued until 15 o’clock yesterday, yesterday, 13 hours, the city hour AQI was close to moderate pollution levels. By 16 o’clock yesterday, our city hour AQI began to drop to 100, barely reached "good"". After 1 hours, the hourly AQI was 87, and the air quality remained at a good level. However, yesterday at 17 o’clock, the City Environmental Protection Bureau issued micro-blog said, according to the analysis of meteorological conditions, it is expected that around this morning, pollution groups will gradually affect our city, our city may appear a moderate to severe pollution process. Last night, although the cold air strikes, but the intensity is weak, the wind is not big, at night there is a slight rain, the role of pollutant clearance is limited. Provincial Environmental Protection Department analysis, said the province was the first polluted air mass southward impact is Xiangyang city. 12, by a wide range of haze process in North China, Xiangfan hours AQI index by 18 the 110 to 13 increased rapidly at 6 on 310 at the same time, the Northern Hubei Province by low pressure control, the formation of inversion layer is stable, diffusion conditions, pollution accumulation, combined with external input, relative to other city air pollution more serious. Reporters observed that, in addition to this northern pollutant southward is expected to make the local air quality deterioration, this month 6 days there was a more obvious process of pollutants southward, and that the air pollution process with the wind and heavy rainfall and the rapid end. It is understood that, since January to October this year, including 17 major cities in Wuhan Province, including air quality has improved significantly. The cumulative average value of PM10 (respirable particulate matter) in the province was 80 micrograms per cubic meter, a decrease of 20% compared with the same period last year, a decrease of 8% compared with the same period of 2013; the mean value of PM2.5 was 50 micrograms per cubic meter, which was 21.9% lower than that of the same period last year. In October this year, the proportion of good air quality days between 83.9% and 100% in the 17 key cities of the province, the average number of fine days was 95.6%, 40% higher than the same period last year.